A solution containing 10.2 g of glycrine...

A solution containing 10.2 g of glycrine per litre is found to be isotonic with 2% solution of glucose `("molar mass"=180 g mol^(-1))`. Calculate the molar mass of glycrine.

91.8 g

1198 g

83.9 g

890.3 g

Text Solution

Verified by Experts

The correct Answer is:

`pi_"glycerine"=pi_"glucose"`
`n_1/V_1RT=n_2/V_2RT`
`10.2/Mxx1/1=2/180xx1000/100 `
`rArr M=(10.2xx18)/2=91.8 g ` (Density of water = `1 g//cm^3`)

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